Inhomogeneous superconducting transitions in granular Al

K. A. Muller; M. Pomerantz; C. M. Knoedler; D. Abraham

doi:10.1142/9789814293365_0011

Inhomogeneous superconducting transitions in granular Al

K. A. Muller, M. Pomerantz, C. M. Knoedler, D. Abraham

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

Granular Al films have been measured in a microwave cavity at 9.4 GHz together with their dc resistance, R (T). The change in resonant frequency is proportional to the number of superconducting electron pairs which is finite above the temperature T c P, where R (T) Col O. Microwave loss has been identified which appears to be specific to granular materials and vanishes only well below T c p. This is shown to be due to normal conduction between grains, which upon cooling becomes progressively more Josephson-like.

Original language	English
Title of host publication	Properties of Perovskites and Other Oxides
Publisher	World Scientific Publishing Co.
Pages	546-835
Number of pages	290
ISBN (Electronic)	9789814293365
ISBN (Print)	9789814293358
DOIs	https://doi.org/10.1142/9789814293365_0011
State	Published - 1 Jan 2010
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 1980 The American Physical Society.

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Inhomogeneous superconducting transitions in granular Al

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